busbey commented on a change in pull request #2: HBASE-22393 HBOSS: Shaded 
external dependencies to avoid conflicts with Hadoop and HBase.
URL: https://github.com/apache/hbase-filesystem/pull/2#discussion_r289440855
 
 

 ##########
 File path: hbase-oss/pom.xml
 ##########
 @@ -70,56 +71,206 @@
           </systemProperties>
         </configuration>
       </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-shade-plugin</artifactId>
+        <executions>
+          <execution>
+            <id>aggregate-into-a-jar-with-relocated-third-parties</id>
+            <phase>package</phase>
+            <goals>
+              <goal>shade</goal>
+            </goals>
+            <configuration>
+              <createDependencyReducedPom>true</createDependencyReducedPom>
+              <!-- XXX If you change the set of dependencies, you should 
uncomment this so that
+                   you can ensure we don't gain additional transitive 
dependencies that need to
+                   be relocated. It can't be true when we build or the shade 
plugin will drop
+                   all of our direct dependencies at provided and test scope. 
:/
+                -->
+              <!--
+              
<promoteTransitiveDependencies>true</promoteTransitiveDependencies>
+              -->
+              <!-- XXX If you change what gets included, please review the 
generated
+                   LICENSE/NOTICE files to make sure they're accurate
+                -->
+              <artifactSet>
+                <includes>
+                  <include>com.google.*:*:jar:*</include>
+                  <include>org.apache.commons:commons-lang3:jar:*</include>
+                  <include>org.apache.curator:curator-*:jar:*</include>
+                  
<include>org.apache.yetus:audience-annotations:jar:*</include>
+                  <include>org.apache.zookeeper:zookeeper:jar:*</include>
+                  <!-- transitives -->
+                  <include>io.netty:netty</include>
+                </includes>
+              </artifactSet>
+              <relocations>
+                <relocation>
+                  <pattern>com.google</pattern>
+                  <shadedPattern>${shading.prefix}.com.google</shadedPattern>
+                </relocation>
+                <relocation>
+                  <pattern>org.apache.commons</pattern>
+                  
<shadedPattern>${shading.prefix}.org.apache.commons</shadedPattern>
+                </relocation>
+                <relocation>
+                  <pattern>org.apache.curator</pattern>
+                  
<shadedPattern>${shading.prefix}.org.apache.curator</shadedPattern>
+                </relocation>
+                <relocation>
+                  <pattern>org.apache.jute</pattern>
+                  
<shadedPattern>${shading.prefix}.org.apache.jute</shadedPattern>
+                </relocation>
+                <relocation>
+                  <pattern>org.apache.yetus</pattern>
+                  
<shadedPattern>${shading.prefix}.org.apache.yetus</shadedPattern>
+                </relocation>
+                <relocation>
+                  <pattern>org.apache.zookeeper</pattern>
+                  
<shadedPattern>${shading.prefix}.org.apache.zookeeper</shadedPattern>
+                </relocation>
+                <relocation>
+                  <pattern>org.codehaus</pattern>
+                  <shadedPattern>${shading.prefix}.org.codehaus</shadedPattern>
+                </relocation>
+                <!-- netty family -->
+                <relocation>
+                    <pattern>org.jboss.netty</pattern>
+                    
<shadedPattern>${shading.prefix}.org.jboss.netty</shadedPattern>
+                </relocation>
+                <relocation>
+                    <pattern>io.netty</pattern>
+                    <shadedPattern>${shading.prefix}.io.netty</shadedPattern>
 
 Review comment:
   IIRC that's a Netty 4 issue and not present in Netty 3. The jar here has no 
JNI shared objects, fwiw.

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